Crusher



. Sept. 4, 19 23..

CRUSHER Filed Oct. '7, 1920 2 Sheets-Sheet 1 O. J. MOUSSETTE CRUSHER Filed Oct. '7 1920 2 Sheets-Sheet 2 ATTORNEYS Patented Sept. 4, 1923.

rrE: A

oLrvna-r' uoussnr'rn, or RICHMOND Him, new Yoiaxl i 3 CRUSHER.

Application filed October 7,1920. sen i myiiase.

To (ZZZ whom it may concern. I

Be it known that LOLIVER' l- Monssn'rrny a citizen of'the United States residing at Richmond Hill, in the county of Queensv and State of New York, hayeginvented a-certain new and'useful Crusher, of which the lowing is a specification. r.

This invention is a -crusherinten'ded more particularly for. the crushing of minerals, ores, stones, slag and analogous materials. The machine 'is so constructed that the crushing off'the ores or the like'may be car-l ried on to a point whereinthe mineral is pulverized;althouglu'in practice, the crushing operation may be carried to any degree of fineness. desired. 1

',The object or the invention'i's to provide a strong, compact and efficient construction,-

which will last well underconstant use and will not be apt to get out of order.

A furthercbject of the invention is-to so constitute themachine that the crushing action will be rapid and of such efliciency' that thepassage of material therethrough may be accomplished in minimum time, so"

as to bring the putput of the machinetoa, maximum. r f

In the pref rredpractical manner of carrying' out the present invention, thejsame embodies acylindrical shell providediwitli suitable lining which is preferably toothed or serrated circumferentially. This cylindrical shell isrotated-by any suitable means and within the same. operates a plurality of gravity actuated crusher rollslwhich may be coordinated to operate together or independently and are shaped, in the main, sub' rlaims, road in conjunction withthe ac shown areto be understood asillustrative,

only, and not as defining the limits, of the invention.

1,467.,ilid

Figtllejl is a central longitudinal section through a" machine embodying the. present inventiori. V v p I V I Flgure 2 is an eleyation of the machine as, Viewed from the discharge lend thereof.

P-igurfi is a 'face View of-"a'n end plate" se the feedfenjd of" which is employed" to clo thecylindricalshell. 1, Figure3is asection'onthe curved line- $43 of Figure 8,

.FiguresS and 6 are detailviews of'a .Ino'difi'ed "form. of crusher roll which ay be employed. V In the form of thema'chine showniinthe drawings, the cylindrical "shell is supported bodyingtwo end 'frames'lrspaced apart side frames rigidly: secured. to the end "for rotation ,upon stationary base gem- I frames andtorming therewith 1a] firm and rigid base. "f The endframes are provided? adjacent eachf-si'de thereof with b'earings and 4; the bearings 3 serving: to supp ort 'a shaft 5 torjvrotation," and thebearingsl 4 serving as a' s up'port for a parallel shaft 6.

'lheshai'to projects beyond thelbearing 3 of onset the "end" frames "1 and carries fast andloosepulleys Yan'dS about which abelt from any suitable prime m'oyerl may .be

together for simultaneous"rotation'byineans of a sprocket chain9, which is passed over a sprocket 10 fixed on the shaft 5 and over @fiPrOcketll fixed on the shaft 6.

' Moreoyer;theshaftsoancl Gare geared On'the shaftso and'ti and adjacentfthel whichare adapted to ride carrier rings 13; which support the cylindrical shell 14; in-

- bearings 3 and 4 are fiiied flange rollers 12011 teriorly of which the grinding takes place. i

The construction is such that when the drive. belt cooperates with the fixed pulley,

'7, the shafts Sand 6 are" operated an'd through the supporting rollers" 12 serveto' rotate'the carrier rings 13, totheend that the cylindrical shell 14 may be rotated.

.Yhile the shell 14; may'pai'take ofvarious f forms, and be constri'ictedin differentways, depending upon the work it 'is' intended to perform, it is found advantageous to} construct saidshell from a plurality of sec tions 14", each of which is annular inform i and is providedwith suitable fianges',wherebya plurality of said sections may 'be' riv V Figure lfiis a SiIHilaIL ViBW :Ofi'the18nd. plate at. the discharge end'of-the shell; and

eted or bolted together to build up the cylindrical shell desired. The shell thus formed is mounted within the carrier rings 13 and supported and carried thereon.

The shell 14 ispreferably provided with broken sections to be removed and replaced without necessitating the provision of an entire new lining in the event of breakage at any particular point. While this structure is recommended, however, the lining may, if desired, be formed otherwise and in sections or if preferred the cutting configuration hereinafter referredto on the interior of the lining'may be formed on the interior of the shell sections 1 1, and the lining entirely omitted. s r I The inner face of each section of the lining is formed into circumferential teeth or serrations 15, so as to provide, cutting or cracking edges interiorly of the shell to the end that the crushing operation" may be more efficiently carried out. The inner of the lining may further be formed to embody a helical screw configuration throughout its entire extent by cutting a helical thread 16 into circumferentially disposed teeth 15. This helical thread serves to feed the material operated upon longitudinally through the shell and while such thread may extend from end to end of the lining, it is found, in practice, that very goodfeeding results may be accomplished by forming the helical thread 16 in only the end sections of the lining, as-shown in Fig'nre1 of the drawings, so that material introduced into the left hand end of the machine as shown in Figure 1, will be separated on its way through the shell and finally fed out of the shell by the cylindrical shell at the right hand or discharge end of the machine.

Positioned within the shell 14: and adapted for operation therein is a crushing member 17, which, in the form of the invention'shown in Figure 1, einbodies a plurality of crushing elements 17, each of which is in the form of a beveled edge roll. All of the rolls are of the same diameter less than the interior diameter of the lining of the shell and are bolted together for simultaneous operation by a bolt 18. Excessive strain is taken off of the bolt by forming a boss on each roll adapted to fit into the adjacent face of the adjacent roll as shown in Figure 1, so that when the rolls are bolted together, the crushing element thus formed acts as a unitary structure.

The rolls 17 are, moreover, individually beveled as shown to correspond with the serrations on the interior of the lining so that the interior of the lining and the operative surface of the crushing member is complementarily shaped, for the purpose of effecting crushing relation of maximum etliciency. The crushing member is unattached with respect to the cylindrical shell and simply rests idly therein, so' that when the shellis rotated, the crushing element revolves within the shell and is constantly under the in-' fluence ofgravitywhich draws it to the lowest point therein.

The feed end of the shellis closed by an end plate 19 perforated at 119 and provided with a feed opening 19. to'which the material is fed through a feed hopper 20. The

feed opening 19 is positioned at the beginning of the helical feed groove or thread scoop shape balile 19 positioned so as to overlie one end of the feed opening 19, as shown best in Figures 3 and 3*, so that as the shell is rotated, the scoop shape baffle 19 directs material, introduced into the hopper, through the feed opening 19 in the end plate 19 into the interior of the shell. To facilitate this feed ofmaterial, the opposite ends of the feed opening 19 are cut on a slant as shown at 19 7 The material fed into the shell is caused to travel longitudinally thereof by the helical thread leand after traveling the entire length of the shell, passes out of the same through the registering outlet openin s 25 and 21 into the discharge hopper 22. uring the passage of materialthrough the shell, the shell is constantlyrotated and the crushing member 17, in traversing the inner circumference thereof, rides over the material and carries out the crushing operation. This operation isassisted by the fact that the crushing member in passing over the material meets with such resistance that it cannot roll freely and it is carried around through the rotation of the shell until its weight overcomes the resistance, whereupon it falls to the base of the shell, and there engages with the material therein with considerable force. This force is sufficient to break up the'hardest minerals or ores and even reduces them to a pulverized state. During the continued operation of the machine. the crushin member is literall tuma y bled within the shell and by this action efliciently carries out the crushing operation.

The material after passing through the crusher may be delivered from the discharge hopper 22 to any other suitable mechanism for its disposal or treatment, but for the purpose of illustration, 1 have shown one practical method of disposing of such material.

' In the showingmade, the material upon leaving the hopper 22 is adapted to pass by way of a sleeve 26 into a bin or box 29, provided at its lower end with a" hinged door 29 through which the material may be removed from time to time. (The hopper 22 is so shaped thatits outlet end'will at all times aline with the sleeve 26, during rotation of the shell, and said sleeve 26 is preferably supportedfor sliding' movement in a longitudinal direction toward and away frornathe end of the dischargehopper 22in a sleere 26 carried by abracket 26 and may be clamped in suitable adjustment lay-means ofa set screw 26". Into the upper end of the bin 29proj'ects a pipe 27", ithe upper end of which is associated with a blower 27 having an outlet pipe28u 'During the opera-V tion of the machine, the blower is operated and, as soon as the bin- 29 is closed produces apartial vacuum inthis bin which sets up suction in the sleeve 26. If the sleeve 26 is moved into relatively close proximity with the discharge end of the hopper 22, this suction will draw air from the interior of the shell 14', which air will be replaced by air flowing into the shell through the perforations -1 1'9 at the feed end of the machine, thereby producing a constant circulation or draft of airthrough'the shell to the blower. This draft of air will carryv oif dust and other finely pulverized material containe'd in the shell and is rendered possible through the employment of the perforations 1 19 and 24 at the oppositeends of the shell,

In practice, it is found that the'amount of draft or force vof the air circulation may be readily controlled through the sliding of the sleeve 26 closer to or further away from the discharge end of-the hopper 22, and :by this move the current of air may be made stronger or weaker so that finer or heavier particles can he drawn through by th blower 2? as may-be desired.

In the event, it is desired to collect only the finest dust through the blower,the sleeve will be moved further'away from the end of the discharge hopper, whereas, for the collection of heavier particles, closer prox imity between these-partswoul'd be had.

It is found that the material maybe graded in this way, although, in practice, the essential consideration is to :removethe dust and other finelypulverized: material expeditiously 'and efiicientlyl The material drawn through the blower is delivered through the outlet pipe 28 for storage or The machine j'hereinbefore described further treatment. ;In the event, the machine is being-used as an ore pulverizer, the material delivered through the pipe 28 may be washed or otherwise treated to recover minerals therein; 7 I

It will be noted from the drawings that theapertures 24 in the perforated'plate-25, aswe'll as the corresponding apertures in the plate 19 are tapered in-the direction of the air current, so that clogging of the machine'throughthe wedging of lumps of'ma}:

terialiin these apertures could not occur/ The expeditiou's'fremovalof the dust and pulverized material is advantageous not only for the quick delivery-of the. same, but

as the machine is kept frjeeifrom finelyvdi- L vided or pulverized-material, thecrushing 6 operation maybe more efficiently carried 011i). I w I v f The Iformingof the interior of'the shell in "theimanner hereinbefore described; and

shown in the drawings has many practical advantages. The serrations of :both' the crushing element and the liningof theishellf not only produce relatively sharpedges :forgrinding, but provide an uneven surface between the l coacting crushing elementslof the constructionso' that ore or other material 'may be more readily splintered intocfragsments during the operation of the machine. Furthermore, through-the serration. of the parts: as described, the actual grinding surface is greatly enlarged over that of former machines of corresponding size, thereby imparting the machine 'ahigh factor of .efliciency. e This, in connection with the other advantages referred to, renders j a relativel small machine, in practice, capable'ofdt;

livering'la, relativclylarge output.

has

been found to operatefw-ith high efiiciency on the material specified and others, but is capable ofv slight modification without-"de partingfrom the spirit :of the invention. For example, the crushing member 17-, while shownin Figure 1 as embodying a plurality of rolls secured together. to operate in unison, may, if desired, embody crusher. rolls 17P of the type shown in Figures 5 and 6which differ from therolls 17 merely in the fact that they are not secured together by a bolt 7 18, but operate independently and are ac cordingly not formed with projecting bosses and boss receiving recesses; The machine of the present invention -may embody crushing member of crushing rollssecmed togetheras;showninFigure-l, or of independentlyhoperating separate rolls of the ployed without departing. from theQspirit I or scope ofthe invention, which is to be understood asbroadly novel as is commen' surate with the appended clain1s.: I g

Having thus fully described the invention, what I claim as new and desire to secure by Letters Patent is: a i

l. A crusher embodying a hollow cylindrical member mounted for rotation on a substantially horizontal axis, and gravity operated crushing means positioned. interiorly of the cylindricalmember, the interior face of the cylindrical member being substantially serrated in longitudinal'cross section, and being provided adjacent atleast one of its opposite ends with a helical channel cut through the circumferential serrations to fac litate feeding of material through the cylindrical member. 7

2. A crusher embodying a hollow cylindrical member mounted for otation on a subill) stantially horizontal axis, theinner surface of said member being provided with annular ribs having helical grooves therein, and crushing means operable 'interiorly of said cylinder. l V V A crusher embodyir a hollow cylindrical member mounted for rotation on a substantially horizontal axis, and a crushing element positioned for operation interiorly of said cylindrical member, the inner surface of the cylindrical member and the outer surface of the crushing element being striated circumferentially and also helically channelled longitudinally. I r

at. A crusher en'ibodying a hollow cylindrical member mounted for rotation on a substantially horizontal axis, and acrushing element positionedfor operation interiorly of said cylindrical member, the inner surface of the cylindrical member and the outer surface of the crushing element being striated circuinferentially and the inner surface of the cylindrical member being further provided with a helical channel cut through said striations and adapted to feed inaterialilongitudinally of the cylindrical member while such material is being crushed between the inner surface of the cylindrical member and the outer surface of the crushing element.

A crusher embodying a cylindrical member provided on its interior with annular ll-shaped ribs and having helical grooves cut through said ribs adjacent the inlet and outlet ends of said cylindrical member, and crushing means positioned for operation interiorly of said cylindrical member and embodying a plurality of crushing elements,

each of which is provided with a tapered edge adapted, during the operation of the machine, to operate in a space between two adjacent ribs on the inner face of the cylindrical member, and means for securing all of the crushing elements together for simultaneous operation.

6.. A crusher embodying a hollow cylindrical member mounted for rotation on a substantially horizontal axis, crushing means operable interiorly of thecylindr'ical mem-v her, said cylindrical member having a helical channel formed on the inner surface thereof for facilitating the feed of material longitudinally of said member and means for introducing such material into one end of said member off center and substantially at the beginning of the helical channel.

7. A crusher embodying a cylindrical member mounted for rotation on a substantially horizontal axis, crushing means open able interiorly of said cylindrical member, end plates for closing thefeed and delivery ends of the cylindrical member and a hopper positioned at the feed end of said member, in combination with a baiiie plate carried by the feed end plate off center and on the exterior face thereof andprojecting into the hopper and adapted to scoop material from the hopper and pass it through a charging opening in'said feed end plate directly adjacent the bafiie plate.

8. A crusher embodying a hollow cylindrical member mounted for rotation on a substantially horizontal axis and provided on its interior with annular ll-shaped ribs and a helical groove out through said ribs adjacent the inlet end of, said member, crushing means positioned interiorly of said member, an end platepositioned across the inlet end. of said member and provided off center with an inletopening directly adj acent one end of the'helical groove, a hopper positioned beyond the inlet end of the cylindrical member, and a bafile platerigidly mounted on the end plate adjacent the inlet opening,'whereby the rotation of the cylindrical member causes the baffle plate to scoop material out of the hopper and pass it through the end plate and directly into the end of the helical groove.

9.'A crusher embodying a substantially closed vessel provided with feed and discharge openings,.means positioned within the vessel for crushing material introduced thereinto,a settling chamber, suction means for producing a partial vacuum within the settling chamber, a pipe leading from the settling chamber into juxtaposition with the discharge'opening of the vessel and mounted for longitudinal adjustment to vary the gap between the discharge opening of the vessel and thecontiguous end of said pipe whereby the suction communicated to the interior of the vessel through the pipe may be governed by longitudinal ads justment of the pipe.

10. A crusher embodying a substantially closed chamber provided with inlet and discharge openings, means interiorly of the vessel for crushing material introduced therein, a settling chamber mounted in fixed position, suction means for producing a partial vacuum within the settling chamber, and a conduit leading from the settling chamber to a point adjacent the discharge opening of the vessel and a in alinement therewith, said conduit being mounted for V adjustment to vary the gap between the discharge opening of the vessel and the contiguous end of said conduit whereby the strength of the suction communicated through the conduit to the exterior of the vessel may be regulated.

11. A crusher embodying a substantially closed vessel provided with an outlet, means interiorly of the vesselfor-crushing materialintroduced therein, suction means, and

a conduit leading from the suction means into juxtaposition with the-outlet, of the vessel, said conduit being adjustable to vary the gap between the outlet of the vessel and the contiguous end of the conduit to p vary the strength ofthe suction communicated through the conduit to the interior of a OLIVER J; MOUSSETTE. 

